CN102733492A - H-shaped steel beam and H-shaped steel column minor axis variable beam height fabricated node and construction method thereof - Google Patents
H-shaped steel beam and H-shaped steel column minor axis variable beam height fabricated node and construction method thereof Download PDFInfo
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- CN102733492A CN102733492A CN2012102210838A CN201210221083A CN102733492A CN 102733492 A CN102733492 A CN 102733492A CN 2012102210838 A CN2012102210838 A CN 2012102210838A CN 201210221083 A CN201210221083 A CN 201210221083A CN 102733492 A CN102733492 A CN 102733492A
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Abstract
The invention discloses an H-shaped steel beam and H-shaped steel column minor axis variable beam height fabricated node and a construction method thereof. The node comprises an H-shaped steel column, an H-shaped steel beam, a column sealing piece, a T-shaped connection piece, an L-shaped connection piece and bolts. The column sealing piece consists of a column sealing plate, a beam upper flange stiffening rib and a column sealing plate stiffening rib; the T-shaped connection piece consists of an upper flange plate connection plate which is arranged horizontally and a web connection plate which is perpendicular to the bottom surface of the upper flange plate connection plate; the L-shaped connection piece consists of a lower flange plate connection plate which is arranged horizontally and a column connection plate which is perpendicular to the lower flange plate connection plate downward. All accessories required by the node are prefabricated in a factory, the requirement of equal-strength connection in the process of changing the section of the H-shaped steel beam in a certain range can be met, high-strength bolts are adopted by a construction field node so as to realize the fabricated connection, and the node is high in rigidity and high in connection speed, and can meet the requirement of the fabricated construction of a steel structure.
Description
Technical field
The present invention relates to the construction steel structure technical field of construction, particularly a kind of steel structure girder column jointing gusset and job practices thereof.
Background technology
In many, high-rise steel structure, H section steel beam and H steel column are used as main supporting member, and the node that connects H section steel beam and H steel column plays the effect of transfer beams, post moment of flexure, shearing, have material impact for the holistic resistant behavior of structure.The full weldering connection of H section steel beam, post and bolt weldering connected node structure coupling stiffness is big, and stress performance is good, but since the existence of weld seam to be easy to generate stress concentrated, and the site operation difficulty is big, cost is also high, can not satisfy the requirement of Construction of Steel Structure work efficiency.Existing bolted mode can not produce stress and concentrate, and has advantages such as convenient site operation, can satisfy the requirement of fabricated construction work efficiency, but the rigidity of general node is lower.Realize a little less than existing H section steel beam and the H steel column that this joint structure mode can make the stress performance of column web produce deterioration, is unfavorable for that node is stressed axial the connection generally through on column web, being welded to connect plate.In addition; Each beam in the existing structural steelwork, post node all need to design separately according to the size of beam that node connects; Same design of node scheme is lower to beam section size variation compliance within the specific limits, can not realize the standardization of design of node and production.
Summary of the invention
The present invention provides a kind of H section steel beam and weak variable deck-molding assembling type node of axle of H steel column and job practices; Solve steel structure girder, column jointing gusset site operation difficulty is big, cost is high; Node rigidity is low; And node changes the not strong technical problem of compliance to the beam section size, the design and the production standard degree of raising steel structure girder, post node within the specific limits.
The technical solution adopted for the present invention to solve the technical problems is:
The variable deck-molding assembling type node of the weak axle of this H section steel beam and H steel column comprises H steel column and H section steel beam, and this node also comprises post sealing, T-connecting piece, L shaped connector and bolt;
The top flange plate of said H section steel beam, bottom wing listrium and web all have bolt hole at the node place;
Said post sealing is made up of post shrouding, beam top flange stiffening rib and post shrouding stiffening rib; The post shrouding vertically is provided with; Its underpart has prepared screw-bolt hole, and beam top flange stiffening rib is vertical with post shrouding top margin to be connected into L shapedly, and post shrouding stiffening rib is vertically connected at the angle of post shrouding and beam top flange stiffening rib; The welding of the front side edge of beam top flange stiffening rib and the web of H steel column, the limit, the left and right sides of post shrouding and beam top flange stiffening rib are welded with two post frange plates of H steel column respectively;
Said T-connecting piece is by horizontally disposed top flange plate junction plate; And constitute perpendicular to the web junction plate of top flange plate junction plate bottom surface; The beam top flange stiffening rib welding of the front side edge of top flange plate junction plate and post sealing; The welding of the front side edge of web junction plate and post shrouding, the corresponding bolt hole that has of top flange plate of top flange plate junction plate and H section steel beam, the top flange plate junction plate is connected by bolt with top flange plate; The corresponding bolt hole that has of web of web junction plate and H section steel beam, the web junction plate is connected by bolt with web;
Said L shaped connector is by horizontally disposed bottom wing listrium junction plate; And vertical with bottom wing listrium junction plate downwards post junction plate constitutes; The corresponding bolt hole that has of bottom wing listrium of bottom wing listrium junction plate and H section steel beam; Bottom wing listrium junction plate is connected by bolt with the bottom wing listrium, and the prepared screw-bolt hole corresponding position of post junction plate and post shrouding vertically has slotted hole, and the post junction plate is connected by bolt with the post shrouding.
Said top flange plate is the part excision at the node place, and the length of excision section equals the width of T-connecting piece median ventral plate junction plate.
Said bottom wing listrium junction plate and post junction plate angle are connected with stiffening rib.
The quantity of said prepared screw-bolt hole is four, rectangular distribution.
Number of bolt hole on said top flange plate, bottom wing listrium and the web is six.
Said T-connecting piece is connected used bolt with top flange plate and web be the friction-type high-strength bolt.
Said L shaped connector is connected used bolt with bottom wing listrium and post shrouding be pressure-bearing type high-strength bolt.
The job practices of the variable deck-molding assembling type node of the weak axle of this H section steel beam and H steel column, construction sequence is following:
Beneficial effect of the present invention is following:
1, required all accessories of this node all are prefabricated in the factory, and the job site node adopts high-strength bolt to realize that assembling connects fully, and node rigidity is big, and connection speed is fast, can satisfy the requirement of steel work fabricated construction.
2, node connects plate after factory is welded to H steel column relevant position, and the scene of can arriving directly is connected the H section steel beam with bolt with the H steel column, do not need field Welding, has reduced difficulty of construction and cost.
3, made things convenient for the weak axle of H section steel beam and H steel column to be connected, solved traditional joint construction and column web has been produced the problem that weakens owing on column web, be welded to connect plate.
4, the post sealing can provide required plane for the weak axle of girder steel and steel column is connected easily, and the shearing rigidity of reinforcing prop web, helps improving the rigidity of node.
Can realize the construction location of girder steel when 5, T-connecting piece is constructed through beam top flange junction plate, reduce difficulty of construction.
6, L shaped connector makes same node can adapt to the requirement of different beam section sizes to connecting owing to use the Long Circle bolt hole to be connected with the post shrouding, has reduced the requirement for member processing and construction precision.
7, beam top flange part excision at the node place can be convenient to the connection of web.
8, compare with existing full bolt node, this node has rotational stiffness preferably, can transmit shearing, moment of flexure between H section steel beam, the post reliably.
Simple structure of the present invention, easy construction and standardization level are higher, are the variable deck-molding connected nodes of the weak axle of a kind of novel H section steel beam and H steel column.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is the structural representation of post sealing.
Fig. 2 is the structural representation of the H of node place section steel beam.
Fig. 3 is the structural representation of T-connecting piece.
Fig. 4 is the structural representation of L shaped connector.
Fig. 5 is the sketch map that T-connecting piece is connected with post sealing factory.
Fig. 6 is the sketch map that the post sealing is connected with H steel column factory.
Fig. 7 is the job site connection layout of H section steel beam top flange plate and web.
Fig. 8 is the job site connection layout of H section steel beam bottom wing listrium.
Reference numeral: 1-H steel column; 1.1-post frange plate; 1.2-web; The 2-H section steel beam; 2.1-top flange plate; 2.2-bottom wing listrium; 2.3-web; 3-T shape connector; 3.1-top flange plate junction plate; 3.2-web junction plate; 4-L shape connector; 4.1-bottom wing listrium junction plate; 4.2-post junction plate; 4.3-slotted hole; 4.4-stiffening rib; 5-friction-type high-strength bolt; 6-pressure-bearing type high-strength bolt; 7-post sealing; 7.1-post shrouding; 7.2-beam top flange stiffening rib; 7.3-post shrouding stiffening rib; 7.4-prepared screw-bolt hole.
The specific embodiment
Embodiment is referring to shown in Fig. 1～8, and the variable deck-molding assembling type node of the weak axle of this H section steel beam and H steel column comprises H steel column 1 and H section steel beam 2, and this node also comprises post sealing 7, T-connecting piece 3, L shaped connector 4 and bolt.
Referring to Fig. 1, shown in Figure 6, post sealing 7 is made up of post shrouding 7.1, beam top flange stiffening rib 7.2 and post shrouding stiffening rib 7.3, and post shrouding 7.1 vertically is provided with, and its underpart has prepared screw-bolt hole 7.4, and the quantity of prepared screw-bolt hole 7.4 is four, rectangular distribution.Beam top flange stiffening rib 7.2 is vertical with post shrouding 7.1 top margins connect into L shaped; Post shrouding stiffening rib 7.3 is vertically connected at the angle of post shrouding 7.1 and beam top flange stiffening rib 7.2; 1.2 welding of the front side edge of beam top flange stiffening rib 7.2 and the web of H steel column 1, the limit, the left and right sides of post shrouding 7.1 and beam top flange stiffening rib 7.2 respectively with two post frange plates, 1.1 welding of H steel column 1.
Referring to shown in Figure 2, the top flange plate 2.1 of H section steel beam 2, bottom wing listrium 2.2 and web 2.3 all have bolt hole at the node place, and number of bolt hole is six.Top flange plate 2.1 is the part excision at the node place, and the length of excision section 2.4 equals the width of T-connecting piece 3 median ventral plate junction plates 3.2.
Referring to Fig. 3, Fig. 5, shown in Figure 7; T-connecting piece 3 is by horizontally disposed top flange plate junction plate 3.1; And constitute perpendicular to the web junction plate of top flange plate junction plate 3.1 bottom surfaces 3.2; Beam top flange stiffening rib 7.2 welding of the front side edge of top flange plate junction plate 3.1 and post sealing 7; 7.1 welding of the front side edge of web junction plate 3.2 and post shrouding, the top flange plate 2.1 corresponding bolts hole that have of top flange plate junction plate 3.1 and H section steel beam, top flange plate junction plate 3.1 is connected by friction-type high-strength bolt 5 with top flange plate 2.1; The web 2.3 corresponding bolts hole that have of web junction plate 3.2 and H section steel beam, web junction plate 3.2 is connected by friction-type high-strength bolt 5 with web 2.3.
Referring to Fig. 4, shown in Figure 8, L shaped connector 4 is by horizontally disposed bottom wing listrium junction plate 4.1, and constitutes with bottom wing listrium junction plate 4.1 vertical post junction plates 4.2 downwards, and bottom wing listrium junction plate 4.1 and post junction plate 4.2 angles are connected with stiffening rib 4.4.The bottom wing listrium 2.2 corresponding bolts hole that have of bottom wing listrium junction plate 4.1 and H section steel beam; Bottom wing listrium junction plate 4.1 is connected by pressure-bearing type high-strength bolt 6 with bottom wing listrium 2.2; Post junction plate 4.2 vertically has slotted hole 4.3 with prepared screw-bolt hole 7.4 corresponding positions of post shrouding 7.1, and post junction plate 4.2 is connected by pressure-bearing type high-strength bolt 6 with post shrouding 7.1.
The job practices of the variable deck-molding assembling type node of the weak axle of this H section steel beam and H steel column, construction sequence is following:
Claims (8)
1. the variable deck-molding assembling type node of the weak axle of H section steel beam and H steel column comprises H steel column (1) and H section steel beam (2), and it is characterized in that: this node also comprises post sealing (7), T-connecting piece (3), L shaped connector (4) and bolt;
The top flange plate (2.1) of said H section steel beam (2), bottom wing listrium (2.2) and web (2.3) all have bolt hole at the node place;
Said post sealing (7) is made up of post shrouding (7.1), beam top flange stiffening rib (7.2) and post shrouding stiffening rib (7.3); Post shrouding (7.1) is vertical to be provided with; Its underpart has prepared screw-bolt hole (7.4); Beam top flange stiffening rib (7.2) is vertical with post shrouding (7.1) top margin connect into L shaped; Post shrouding stiffening rib (7.3) is vertically connected at the angle of post shrouding (7.1) and beam top flange stiffening rib (7.2); The welding of the web (1.2) of the front side edge of beam top flange stiffening rib (7.2) and H steel column (1), the limit, the left and right sides of post shrouding (7.1) and beam top flange stiffening rib (7.2) are welded with two post frange plates (1.1) of H steel column (1) respectively;
Said T-connecting piece (3) is by horizontally disposed top flange plate junction plate (3.1); And constitute perpendicular to the web junction plate (3.2) of top flange plate junction plate (3.1) bottom surface; Beam top flange stiffening rib (7.2) welding of the front side edge of top flange plate junction plate (3.1) and post sealing (7); The front side edge of web junction plate (3.2) and post shrouding (7.1) welding; The corresponding bolt hole that has of top flange plate (2.1) of top flange plate junction plate (3.1) and H section steel beam; Top flange plate junction plate (3.1) is connected by bolt with top flange plate (2.1), the corresponding bolt hole that has of web (2.3) of web junction plate (3.2) and H section steel beam, and web junction plate (3.2) is connected by bolt with web (2.3);
Said L shaped connector (4) is by horizontally disposed bottom wing listrium junction plate (4.1); And vertical with bottom wing listrium junction plate (4.1) downwards post junction plate (4.2) constitutes; The corresponding bolt hole that has of bottom wing listrium (2.2) of bottom wing listrium junction plate (4.1) and H section steel beam; Bottom wing listrium junction plate (4.1) is connected by bolt with bottom wing listrium (2.2); Post junction plate (4.2) vertically has slotted hole (4.3) with prepared screw-bolt hole (7.4) corresponding position of post shrouding (7.1), and post junction plate (4.2) is connected by bolt with post shrouding (7.1).
2. the variable deck-molding assembling type node of the weak axle of H section steel beam according to claim 1 and H steel column; It is characterized in that: said top flange plate (2.1) is the part excision at the node place, and the length of excision section (2.4) equals the width of T-connecting piece (3) median ventral plate junction plate (3.2).
3. the variable deck-molding assembling type node of the weak axle of H section steel beam according to claim 1 and H steel column, it is characterized in that: said bottom wing listrium junction plate (4.1) and post junction plate (4.2) angle are connected with stiffening rib (4.4).
4. the variable deck-molding assembling type node of the weak axle of H section steel beam according to claim 1 and H steel column, it is characterized in that: the quantity of said prepared screw-bolt hole (7.4) is four, rectangular distribution.
5. the variable deck-molding assembling type node of the weak axle of H section steel beam according to claim 1 and H steel column, it is characterized in that: the number of bolt hole on said top flange plate (2.1), bottom wing listrium (2.2) and the web (2.3) is six.
6. the variable deck-molding assembling type node of the weak axle of H section steel beam according to claim 1 and H steel column, it is characterized in that: said T-connecting piece (3) is connected used bolt with top flange plate (2.1) and web (2.3) be friction-type high-strength bolt (5).
7. the variable deck-molding assembling type node of the weak axle of H section steel beam according to claim 1 and H steel column, it is characterized in that: said L shaped connector (4) is connected used bolt with bottom wing listrium (2.2) and post shrouding (7.1) be pressure-bearing type high-strength bolt (6).
One kind as a little less than any said H section steel beam of claim 1～7 and the H steel column axle variable deck-molding assembling type node job practices, it is characterized in that construction sequence is following:
Step 1, prefabrication H steel column (1), H section steel beam (2), post sealing (7), T-connecting piece (3) and L shaped connector (4), H section steel beam (2) prepared screw-bolt hole at node place; When factory process, directly T-connecting piece (3) is welded on the post sealing (7), again post sealing (7) is welded to the corresponding absolute altitude place of H steel column (1);
Step 2; During on-the-spot the installation; Be connected with web junction plate (3.2) with the top flange plate junction plate (3.1) of T-connecting piece (3) respectively with web (2.3) with the top flange plate (2.1) of bolt earlier H section steel beam (2); Regulate the upper-lower position of L shaped connector (4) again through slotted hole (4.3), be connected with bottom wing listrium junction plate (4.1) with the bottom wing listrium (2.2) of bolt, and post junction plate (4.2) be connected with post shrouding (7.1) with bolt with H section steel beam (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210221083.8A CN102733492B (en) | 2012-06-29 | 2012-06-29 | H-shaped steel beam and H-shaped steel column minor axis variable beam height fabricated node and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210221083.8A CN102733492B (en) | 2012-06-29 | 2012-06-29 | H-shaped steel beam and H-shaped steel column minor axis variable beam height fabricated node and construction method thereof |
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| CN102733492A true CN102733492A (en) | 2012-10-17 |
| CN102733492B CN102733492B (en) | 2014-03-26 |
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| CN103015535A (en) * | 2012-12-21 | 2013-04-03 | 郑州大学 | Rigid connecting structure for H-shaped column in weak shaft direction and H-shaped beam and manufacture method thereof |
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